6N138 1-Channel Darlington Output Optocoupler DIP-8

6N138 1-Channel Darlington Output Optocoupler DIP-8
The 6N138 is a high gain series coupler using a light emitting diode and an integrated high gain photo detector providing extremely high current transfer ratio between input and output. Separate pins for the photodiode and output stage result in TTL compatible saturation voltage and high speed operation. Where desired the Vcc and Vo terminals may be tied together to achieve conventional photo darlington operation. A base access terminal allows a gain bandwidth adjustment to be made.